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William Knapp 1580–1658

Public Tree Person

What is a Public Tree Person?

A Public Tree Person is an ancestor documented independently by multiple YourRoots tree owners. When several researchers' family histories converge on the same person, we publish a shared page that combines what they've documented.

Why this is a Public Tree Person

Full name consistent across 2 independent trees
Birth year and location consistent across 2 trees
Death year and location consistent across 2 trees

Compare a Public Tree Person with your own tree using Compare Tree.

A Reliability
A
Reliability Score: A
Strong — based on the source tree
Grade scale
  • A 3 criteria (Strong)
  • B 2 criteria (Medium)
  • C 1 criteria (Basic)
Verification checklist
  • Record available
  • Descendant's record available
  • Star tree owner

2 researchers on YourRoots have William Knapp in their family trees — each with their own records and documentation. Trace the migration path across 9 generations. If this ancestor is in your tree too, you can compare what you've found and fill in the gaps together.

Last updated: August 25, 2026 · Reliability: A — verified across 2 independent trees, with linked records

Born 1 Jan 1580 · Ipswich, Suffolk, England
Died 30 Aug 1658 · Watertown, Middlesex, Massachusetts, United States
Father John Knapp
Mother Martha Blois Bloise Or Blosse 11Gg
Spouse Judith Tue
Children Aaron Knap, Elizabeth Anne Knapp, Elizabeth Knapp, James Knapp, John Knapp, Judith Knapp, William Knapp
Siblings Abigail Knapp, Dorcus Knapp, Elizabeth Knapp, John Knapp, Judith Knapp, Margret Knapp, Martha Knapp, Mary Knapp, Nicholas Knapp, Phebe Knapp, Stephen Knapp, Thomas Knapp, William Knapp

Researchers connected through William Knapp 1580–1658

and 1 more tree owner connected with William Knapp 1580–1658

Biography

In 1580, William Knapp entered the world in Ipswich, Suffolk, England, born to john knapp and martha blois bloise or blosse 11gg. William Knapp married judith tue, priscilla akers, and had children including aaron knap, elizabeth anne knapp, elizabeth knapp, james knapp, john knapp, judith knapp, william knapp. William Knapp passed away in 1658 in Watertown, Middlesex, Massachusetts, United States.

Sources

  1. 1
    Record American Genealogical-Biographical Index (AGBI)

  2. 2
    Burial Records Global, Find a Grave® Index for Burials at Sea and other Select Burial Locations, 1300s-Current

  3. 3
    Probate/Wills Middlesex County, Massachusetts Probate Index, 1648-1870

  4. 4
    Record Millennium File

  5. 5
    Immigration U.S. and Canada, Passenger and Immigration Lists Index, 1500s-1900s

  6. 6
    Marriage Records U.S., New England Marriages Prior to 1700

Life Timeline

1580
Birth of William Knapp in Ipswich, Suffolk, England
Birth
1658
Death of William Knapp in Watertown, Middlesex, Massachusetts, United States
Death

Oldest Ancestor Line from William Knapp

This ancestor line traces from Ipswich, Suffolk, England (1368) to Ipswich, Suffolk, England (1580) across 9 generations.

Direct Lineage
generations

Frequently Asked Questions

William Knapp (1580–1658) was born in Ipswich, Suffolk, England and died in Watertown, Middlesex, Massachusetts, United States. 2 researchers on YourRoots have this ancestor in their family trees, each with their own records. This page combines what they've independently documented and assigns a Reliability Score (A) based on cross-tree validation.
Right now, 2 researchers on YourRoots have William in their trees. They're working independently, so connecting with them is a good way to cross-check your records and find things you might have missed. You can also explore the ancestor migration map that traces 9 generations of this lineage geographically.
It varies by researcher — some have census records, others have marriage certificates, parish registers, or family Bible entries. Scroll up to see exactly what each person has cited.
Use the "Compare Tree" button on any researcher's profile above. You can compare your tree side by side with theirs, see where your records overlap or differ, and collaborate to fill gaps.

William Knapp's Ancestors

Pedigree chart — 3 generations on record

Self
William Knapp PTP
1580–1658
Ipswich, Suffolk, England
Parents
Unknown
Unknown
Grandparents
Unknown
Unknown
Unknown
Unknown

William Knapp's Descendants

1.
WK
William Knapp PTP 1580–1658
  1. 1. Elizabeth Knapp PTP 1593–1664 m. Thomas Philbrick PTP 1623–1700
    1. 1. Thomas Philbrick PTP 1623–1700
    2. 2. Elizabeth Philbrick PTP 1621–1677
    3. 3. James Philbrick PTP 1619–1674
    4. 4. John Philbrick PTP 1616–1657